Reply To: Volvo Penta D2-55 correct antifreeze coolant type?

Gordon Dyer

    Dont forget to also flush your hot water system.
    The important thing is not to mix different antifreeze types, so if you are fully flushing first, you will be fine. 
    I am planning to do the same on my D2 55 next time I remove the heat exhanger for a proper clean and O-ring replacement.
    I would prefer to carry on board an antifreeze concentrate, rather than the expensive, ready mixed Volvo brew.